Drum washing machine



FIG. 1 is a front, right, top perspective view of a drum washing machineshowing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

We claim the ornamental design for a drum washing machine, as shown.